By Andrew Wereszczak, Edgar Lara-Curzio, Lisa Prokurat Franks
Those lawsuits comprise present study from undefined, academia and govt corporations, engaged on opaque and obvious ceramic armor. Papers on novel fabrics thoughts for either car and physique armors are incorporated, in addition to papers that discover the connection among computational modeling and estate testing.
those papers have been provided on the lawsuits of the thirtieth foreign convention on complicated Ceramics and Composites, January 22-27, 2006, Cocoa seashore, Florida. prepared and subsidized through the yankee Ceramic Society and the yank Ceramic Society's Engineering Ceramics department along side the Nuclear and Environmental know-how Division.Content:
Chapter 1 A overview of Computational Ceramic Armor Modeling (pages 1–18): Charles E. Anderson
Chapter 2 Biomorphic Sisic?Materials for light-weight Armour (pages 20–31): Bernhard Heidenreich, Michaela Gahr, Dr. Ing. Ekkehard Lutz and Elmar Stra?urger
Chapter three assessment of SiC Armor Tile utilizing Ultrasonic suggestions (pages 33–41): J. Scott Steckenrider, William A. Ellingson, Rachel Lipanovich, Jeffrey Wheeler and Chris Deemer
Chapter four round Indentation of SiC (pages 43–57): A. A. Wereszczak and ok. E. Johanns
Chapter five harm Modes Correlated to the Dynamic reaction of SiC?N (pages 59–68): H. Luo and W. Chen
Chapter 6 Grain Boundary Chemistry of SiC?Based Armor (pages 69–84): Edgardo Pabit, Kerry Siebein, Darryl P. Butt, Helge Heinrich, Darin Ray, Sarbjit Kaur, R. Marc Flinders and Raymond A. Cutler
Chapter 7 impression of Microstructure and Mechanical homes at the Ballistic functionality of SiC?Based Ceramics (pages 85–96): Darin Ray, R. Marc Flinders, Angela Anderson, Raymond A. Cutler, James Campbell and Jane W. Adams
Chapter 7 Addition of extra Carbon to SiC to check its impact on Silicon Carbide (SiC) Armor (pages 97–103): Chris Ziccardi and Richard Haber
Chapter nine research of Time?Resolved Penetration of lengthy Rods into Glass Targets—II (pages 106–118): Charles E. Anderson, I. Sidney Chocron and Carl E. Weiss
Chapter 10 reaction and Characterization of constrained Borosilicate Glass: Intact and broken (pages 119–130): Kathryn A. Dannemann, Arthur E. Nicholls, Charles E. Anderson, Sidney Chocron and James D. Walker
Chapter 12 Constitutive version for broken Borosilicate Glass (pages 131–142): Sidney Chocron, James D. Walker, Arthur E. Nichoils, Charles E. Anderson and Kathryn A. Dannemann
Chapter 12 response Sintered LiAlON (pages 143–154): Raymond A. Cutler and R. Marc Flinders
Chapter thirteen huge sector EFG™ Sapphire for obvious Armor (pages 155–163): Christopher D. Jones, Jeffrey B. Rioux, John W. Locher, Herbert E. Bates, Steven A. Zanella, Vincent Pluen and Mattias Mandelartz
Chapter 14 courting of Microstructure and Hardness for A12O3 Armor fabrics (pages 166–178): Memduh Volkan Demirbas and Richard A. Haber
Chapter 15 Root factors of the functionality of Boron Carbide below tension (pages 179–188): Giovanni Fanchini, Dale E. Niesz, Richard A. Haber, James W. McCauley and Manish Chhowalla
Chapter sixteen research of Texture in managed Shear Processed Boron Carbide (pages 189–195): D. Maiorano, R. Haber and G. Fanchini
Chapter 17 development within the Nondestructive research of influence harm in TiB2 Armor Ceramics (pages 198–209): Joseph M. Wells
Chapter 18 Elastic estate decision of WC Spheres and Estimation of Compressive rather a lot and influence Velocities that begin their Yielding and Cracking (pages 211–223): A. A. Wereszczak
Chapter 19 at the position of effect harm in Armor Ceramic functionality (pages 225–236): Joseph M. Wells
Chapter 20 The Indentation measurement influence (ISE) for Knoop Hardness in 5 Ceramic fabrics (pages 237–249): Trevor Wilantewicz, W. Roger Cannon and George Quinn
Chapter 21 effect of Microstructure at the Indentation?Induced harm in Silicon Carbide (pages 251–259): Jeffrey J. Swab, Andrew A. Wereszczak, Justin Pritchett and Kurt Johanns
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While the defects are again observed in the same locations shown in the earlier analyses there are two noticeable changes in the results. First, by tuning the focus of the transducer to the various depths, unwanted noise elements (such as the lingering response from the front surface reflection) are more efficiently excluded from the final result, yielding a dramatic reduction in the background “noise”. Second. the dynamic range of the detection appears to have improved as well, as evidenced by the wider range of responses among the various defects detected.
It is outside the scope of the present study to study these observations in depth however, they do suggest that the grain boundary strength in the Sic-B and Ceralloy 146 may not be as high as it is in the Sic-N and Sic-SC-1R (which exhibit little or no grain pullout from the metallography). The authors do raise this observation though because such grain boundary strength would seem to be influential in indentation response and overall contact-damage evolution. Acoustic emission histories for the Fig.
However, due to the lower density of the SiSiC material, the resulting areal weight was 15 % lower and therefore these new SiSiC materials showed a higher ballistic performance for lightweight armour systems. -m -g 25 20 ; 4 15 10 5 0 800 650 700 750 800 850 900 Ballistic limit velocity [mls] Fig. 7: Ballistic limit velocity in dependence of the areal weight of tested ceramic armour systems with aramid backing. Compared to former results of internal investigations, this new biomorphic SiSiC materials showed a better ballistic performance than conventional reaction bonded, silicon infiltrated Sic materials and seems to be comparable even to liquid phase sintered S i c materials (LPSSC), commonly used for lightweight armour systems.